400 Bad request when opening socket over 3g or 4g

[Antonio Pachón]

When trying to open the socket with WiFi the handshake is correct

 write(169): {GET /eventbus/websocket HTTP/1.1
Connection: Upgrade
 Sec-WebSocket-Key: tjam/gBfo47mPJ8IJp2tfw==
Sec-WebSocket-Version: 13
 Upgrade: websocket

 Response OK {HTTP/1.1 101 Switching Protocols
 Upgrade: websocket
 Connection: Upgrade
Sec-WebSocket-Accept: 84+zTqKRriEXHEFcApLq3lkO5pM=

However when switching to 3g the response is handshake refused
 {HTTP/1.1 400 Bad Request

Any ideas?

Thanks

[田传武]

Does http://realtimeplayground.goodow.com/ work for 3G on your phone's browser?

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[Antonio Pachón]

Yes it does.

I can see that the error is coming from the server side
https://github.com/bdecoste/vert.x/blob/master/vertx-core/src/main/java/org/vertx/java/core/sockjs/impl/WebSocketTransport.java

400 "Can upgrade only to websocket"

I still can´t understad why the same app on iOS using the iOS version of this library works over 3g.

[田传武]

Do you mean the 400 error occurred only on native android client library?

If so, try this android app: https://play.google.com/store/apps/details?id=com.goodow.realtime.android.playground